4 Repair
4.4.3. Replacement of complete upper arm
2853HAC022033-001 Revision: K
© Copyright 2004-2011 ABB. All rights reserved.
Refitting, upper arm
The procedure below details how to refit the upper arm to the robot.
6. Run the lifting chain from the rear lifting point through
the overhead crane hook, through the hoisting block to
the lifting eye in the front.
Art. no. is specified in Required
equipment on page 284.
7. Use the hoisting block to adjust the tension in the
chain in order to lift the upper arm completely level.
8. Drain the oil from gearbox 3. Detailed in section Oil change,
gearbox, axis 3 on page 206.
9. Disconnect connector R2.M5/6 at the rear cable
division point as well as all remaining connections to
the upper arm.
10. Disconnect all connectors inside motors 3 and 4.
11. Remove all brackets securing cabling to the upper arm
by unscrewing their attachment screws respectively.
12. Raise the lifting equipment to take the weight of the
upper arm.
13. Carefully remove the upper arm attachment screws .
Make sure that the upper arm is lifted in a completely
level position in all planes in order not to damage the
upper arm!
Shown in the figure Location of
upper arm on page 283.
30 pcs.
14. Lift the upper arm and place it on a secure surface.
15. Remove the sealing from the lower arm.
Action Note
Action Note/Illustration
1.
DANGER!
Turn off all electric power, hydraulic and pneumatic
pressure supplies to the robot!
Turn off all electric power and hydraulic but not the
air pressure to the gearboxes, motors and SMB.
Continued
Continues on next page
To Next Page
Loading...
